96701061d4e698150f5505910dbf1000e4d66de6d4ffdafc26c893cd4cfb4ed3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 04:47

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General

Target

bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.dll
Size

640KB
MD5

bdeb1418d2026ede04c6ce38124964a3
SHA1

5fd0cf2ae66898b6e1dc00694401f575364bf952
SHA256

96701061d4e698150f5505910dbf1000e4d66de6d4ffdafc26c893cd4cfb4ed3
SHA512

c92f06177b41ab7b7c2d52b083c0b024888cb671713dec8bfcc72229d6ed348e91b6fb2d4e28a723bca0e88d4f8d7209c6a9ba3cdb88352c1a8ddfc759e0b2b8
SSDEEP

12288:O0Et9YDc5DMWfT44XUDxoyiD02sHL1NVh+O2tePm:+tWDc/EXouPL13h+OA+

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\ProgID\ = "bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc\ = "brm inc"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.brm inc\Clsid\ = "{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-C839-5C3E-E8E3-F5576898ED8E}\ = "brm inc"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 2624	4520	regsvr32.exe	84
PID 4520 wrote to memory of 2624	4520	regsvr32.exe	84
PID 4520 wrote to memory of 2624	4520	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4520
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\bdeb1418d2026ede04c6ce38124964a3_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2624-0-0x0000000002200000-0x00000000022A5000-memory.dmp

Filesize
660KB

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